8 Reasons You Should Not Stack Memory Foam Mattress

Putting a memory foam mattress over another one will affect the base and other support structures. You would not want to sleep on an unstable bed, such as having two memory mattresses together, so don’t try to do it.

Moreover, stacking memory foam is not what the company recommends, as it is not an excellent idea. If you want to maintain your bed position while sleeping, don’t stack multiple layers of memory foam together.

We have compiled eight good reasons you should not stack memory foam mattresses.

Find out: Can You Put 2 Mattresses on Top of Each Other?

Memory Foam Mattress

A memory foam mattress is an excellent choice for a comfortable night’s sleep. They conform to your body, providing support and giving you the feeling of being hugged or cradled. They also help relieve pressure points, making them ideal for those suffering back pain or other joint issues.

Memory foam mattresses come in various thicknesses and densities, so you can find one that is perfect for your needs. They are also available in different sizes to find the perfect fit for your bed. Most are covered with a removable cover that can be machine-washed when needed.

Find Out: Why Does My Mattress Smell So Bad?

Rotate your memory foam mattress every six months to keep it in good condition. It will help ensure even wear over time. If you find the mattress too firm or soft, you can add a mattress topper made of memory foam to make it more comfortable. The topper will also add extra cushioning and help keep the mattress warmer.

Find out: Can You Put Two Mattresses In A Crib?

Can you Stack memory foam mattresses?

Before stacking memory foam on top of another mattress, one thing to think about is overheating. If both mattresses cannot breathe, they heat up and become uncomfortable.

Additionally, depending on the memory foam mattress you have, stacking it may not be as supportive or comfortable if you put it on top of another.

Related: Can a queen-size bed be converted to a king-size bed?

8 Reasons Why You Shouldn’t Stack Memory Foam Mattresses

Most memory foam mattresses on the market have a unilateral design, meaning that the top of the mattress consists of a soft layer of ‘comfort foam’ that adapts to your body shape.

The denser base of the first memory foam mattress will crush the softer comfort layers of the second memory foam mattress, leading to instability and problems over time.

Here are the 8 reasons You Shouldn’t Stack Memory Foam Mattresses:

  1. It will damage the mattress
  2. It can cause pains in your back
  3. The warranty will become invalid
  4. Overheating
  5. Causes Allergies
  6. sagging
  7. Destabilises the memory foam mattress
  8. Valleys forming

 1. It will damage the mattress

If you have a memory foam mattress and are thinking of putting another one on top, you should be aware that it can damage both mattresses. Stacking can crush the soft bottom area and exposes the lower support core to more weight.

2. It can cause pains in your back

Two types of mattresses are generally bad for your back- too soft and too firm. Sleeping on a too-soft mattress will cause your spine curve, leading to back pain. Sleeping on a too-firm mattress will put unnecessary pressure on your spine, leading to back pain. It’s important to find the Goldilocks zone for mattresses- not too soft, not too firm, but just right.

3. The warranty will become invalid

Double-sided mattresses can be flipped independently without voiding the warranty but should not be stacked because this could damage the mattress.

4. Overheating

Memory foam mattresses tend to overheat, which can cause discomfort. To avoid this, you should not stack them together.

5. Causes Allergies

Memory foam mattresses are popular because of their comfort and support. However, they can also be a breeding ground for allergens and other health problems.

Stacking reduces airflow, and moisture may build up, triggering allergic reactions in some people.

6. Sagging

Sagging is a common problem with memory foam mattresses when placed on top. When the bottom mattress begins to sag, it causes the mattress on top to do the same. This can cause pain and discomfort for the person sleeping on it over time. Also, a sagging mattress may be unstable, leading to other problems such as falling out of bed or developing back problems.

7. Destabilises the memory foam mattress

The overall structure becomes unstable when you stack two memory foam mattresses. It can lead to problems over time, including discomfort and pressure points.

8. Valleys forming

Memory foam mattresses are prone to developing valleys between the layers, making them unstable and uncomfortable to sleep. If two memory foam mattresses are placed on top of each other, it will cause the mattresses to become even more dangerous and create a hump in the middle. It will make sleeping on the mattress uncomfortable and potentially damage your spine.

Related: How do you make a queen bed wider?

How to Add Support to a Memory Foam Mattress

There are a few ways to add support to a memory foam mattress.

  • One way is to place a pillow under the sunken parts of the mattress for pressure relief. It will help reduce the number of indentations in the mattress.
  • Another option is to place a mattress topper on the memory foam mattress for added comfort and support. It will help fill any gaps or irregularities on the bed’s surface.

You can stack memory Foam if:

  • The bottom mattress is regular and traditional
  • The bottom mattress is a spring mattress

The bottom mattress is regular and traditional

Do not put two memory foam mattresses on top of each other if they are of different sizes or thicknesses – this will cause problems and ruin both mattresses.

The bottom mattress is regular and traditional, a common type of mattress found in most homes. We will discuss this type of mattresses pros and cons, which we will discuss below. It has two disadvantages: it’s not as comfortable as a memory foam mattress and doesn’t last as long.

The bottom mattress is a spring mattress

When stacking memory foam mattresses, you can use a traditional or memory foam mattress as the bottom layer. The bottom mattress should be firm and in good condition to provide stability and support for the upper layer.

A spring mattress is a good option for the bottom layer, as it is durable and will not compress over time like other mattresses. However, take care when moving the bottom mattress as it may cause noise and discomfort. Also, read the manufacturer’s instructions before using the mattresses. Follow all safety guidelines while stacking memory foam mattresses to avoid injury.

Related: Can a Ford Escape fit a Queen Mattress?

Tips on How To Support a Memory Foam Mattress

  1. Place cardboard or a plate under the mattress
  2. Place a pillow under the sunken parts of the mattress
  3. Place the mattress topper on top of the mattress

1. Place cardboard or a plate under the mattress

You must distribute the weight evenly when you first get your memory foam mattress. To avoid an uneven distribution of the mattress, place a flat surface, such as cardboard, underneath it. It will also help keep the mattress in good condition.

2. Place a pillow under the sunken parts of the mattress

If your memory foam mattress is starting to sag, you can add support to it by placing a pillow under the sunken parts of the mattress. It will help restore the mattress’s shape and make it more comfortable to sleep on.

3. Place the mattress topper on top of the mattress

When buying a mattress topper, keep in mind that the best way to get maximum comfort is by placing it on top of the mattress. The topper will relieve pressure points and reduce body aches. It also conforms to lumps and indentations in the mattress, emitting off-gassing smells.

However, if you find this uncomfortable or too hot, you can always flip the topper or remove it altogether.

Find out: Why Does My Mattress Smell Like Rotten Eggs?

What Are The Benefits Of Memory Foam Mattresses?

Memory foam mattresses offer many benefits, including prolonging the mattress’s lifespan.

A memory foam mattress is made of several layers, and the top layer is usually a type of foam that responds to heat and pressure. This layer conforms to the body’s shape, providing support and comfort. The bottom layer is usually a dense foam that provides stability and prevents the mattress from sagging. A memory foam mattress typically lasts longer than other mattresses because it wears evenly.

A mattress topper can help protect a memory foam mattress from damage and stressors, and it also helps keep the bed cool by adding an extra insulation layer.

Memory foam mattresses have become increasingly popular in recent years with a growing billion dollars market size.

memory foam market size
                                                                   Memory foam market size

Related: Can you fit a queen mattress in a Prius?

What is the best way to stack memory foam mattresses?

When it comes to stacking memory foam mattresses, there are a few things you need to keep in mind.

  • Please ensure the floor or area where you will place them is clean and level.
  • If needed, add another layer of mattresses on top to make them both even. Once they are stacked, cover them with plastic sheets or cardboard.
  • If the mattress is still wet, allow it to air-dry for several hours before placing it in storage.
  • You can use a thin layer of plastic wrap to cover the entire surface of the mattress if you want.
  • Finally, store your mattress in a cool, dark place away from direct sunlight or extreme heat.

Precautions to follow while stacking memory foam mattresses

When stacking memory foam mattresses, it is important to take certain precautions. For example:

  • You should avoid stacking them too high and damaging the bottom mattress.
  • Additionally, it is advisable to stack them flat instead of upright, reducing the chances of damaging the padding or creating lumps on one side.
  • Furthermore, you should avoid stacking mattresses where humidity and damp are present, as this can cause mold and mildew to form.
  • Finally, be sure not to stack more than three mattresses.


Can You Stack Double-Sided Memory Foam Mattresses?

It would be best if you did not stack memory foam mattresses because:

  1. Warranties on double-sided memory foam mattresses are voided if the mattress is stacked.
  2. Double-sided memory foam mattresses can overheat if they are not allowed to breathe.
  3. Allergies and pain can be exacerbated by sleeping on a memory foam mattress.

Can You Put a Memory Foam Mattress on Top of a Spring Mattress?

They are generally made of a dense foam that conforms to the shape of your body, providing support and comfort. Traditional mattresses have springs, which can cause the memory foam mattress to become unstable. If you do not have a proper support system for both mattresses, the overall structure will be dangerous and could lead to damage.

Can You Put a Memory Foam Mattress On the Floor?

Sleeping on a memory foam mattress on the floor is not advisable because it can cause back pain. Memory foam mattresses can be stacked for storage if the floor is clean and level.

What’s the Alternative to Memory Foam Mattress Stacking?

We do not recommend stacking memory foam because it can void the warranty. A bunkie board, metal base, closely laid wooden slats, or even the floor will do just fine as an alternative to a box spring.



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